Laid down, 23 December 1943, as a Casablanca Class Escort Aircraft Carrier under Maritime Commission contract (MC hull 1127) at Kaiser Shipbuilding Co., Vancouver, WA.
Launched, 16 March 1944
Commissioned USS Thetis Bay (CVE-90), 21 April 1944
During World War II USS Thetis Bay was assigned to the Asiatic-Pacific Theater and participated in the following campaign:
Asiatic-Pacific Campaign
Campaign and Dates
Third Fleet operations against Japan
10 to 18 July 1945
25 July to 15 August 1945
Following World War II USS Thetis Bay CVE-90 was assigned to Occupation service in the Far East for the following periods:
2 to 8 September1945
23 to 27 November 1945
5 to 12 January 1946
Decommissioned in January 1947
Laid up in the Pacific Reserve Fleet Tacoma, WA. Group
Withdrawn from Reserve Fleet for conversion to an Assault Helicopter Carrier
Designated Assault Helicopter Carrier (CVHA-1), 1 July 1955
Converted at San Francisco Naval Shipyard, Hunters Point
Recommissioned USS Thetis Bay (CVHA-1), 1 September 1955, CAPT. Thomas W. South US Navy, in command
Redesignated Amphibious Assault Ship (Helicopter) (LPH-6), 28 May 1957
Decommissioned and struck from the Naval Register 31 March 1964
Final Disposition, sold for scrapping in December 1964 to Peck Iron and Metal Co., Portsmouth, VA.